Pet"ti*coat (?), n. (Zoöl.)
[Petty + coat.] A loose under-garment worn by
women, and covering the body below the waist.
Petticoat government, government by women,
whether in politics or domestic affairs. [Colloq.] --
Petticoat pipe (Locomotives), a short,
flaring pipe surrounding the blast nozzle in the smoke box, to
equalize the draft.